Key advantages:1) Messages removal. You can set up messages removal permissions in the admin section. Users may only remove their own messages during the time set in the module configuration;2) Your own messages are highlighted;3) Messages sent to you are highlighted;4) Clickable nicks and time;5) AJAX chat with JSON used;6) Data traffic saving module as only the last message is downloaded.

For technical reasons, guests can not enter the chat room. This will be fixed in next version. The next version will show the history of messages and control messages on the admin side.